Vasoactive Intestinal Polypeptide (VIP), Plasma

Test Code

LAB2101148

Quest Code

920

CPT Codes
84586

Preferred Specimen

1 mL plasma collected in an EDTA (lavender-top) tube

Patient Preparation
Fasting is preferred

Minimum Volume

0.75 mL

Instructions

Centrifuge and freeze immediately

Transport Temperature

Frozen

Specimen Stability

Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 6 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Lipemia • Grossly icteric

Methodology
Radioimmunoassay (RIA)

Setup Schedule

P.M.

Reference Range

<78 pg/mL

Clinical Significance

Vasoactive Intestinal Polypeptide is used to diagnose watery diarrhea syndrome or to assess patients with suspected multiple endocrine neoplasia type 1 (MEN1).

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

Additional Information
Vasoactive Intestinal Polypeptide (VIP) LAB2101148

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.